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  Indian J Med Microbiol
 

Figure 3: (a) Preoperative labial view showing 13 mm probing depth mesial side of 11, (b) preoperative radiograph showing incomplete obturation with respect to 11, (c) papilla preservation flap, curettage, and debridement, (d) placement of graft with platelet-rich plasma, (e) 3 months after re-root canal treatment, (f) after regenerative periodontal therapy, (g) 2-year postoperative showing complete bone fill

Figure 3: (a) Preoperative labial view showing 13 mm probing depth mesial side of 11, (b) preoperative radiograph showing incomplete obturation with respect to 11, (c) papilla preservation flap, curettage, and debridement, (d) placement of graft with platelet-rich plasma, (e) 3 months after re-root canal treatment, (f) after regenerative periodontal therapy, (g) 2-year postoperative showing complete bone fill